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84238440580 = 2257983612109
BaseRepresentation
bin100111001110100000…
…0001001100010000100
322001102201111011102201
41032131000021202010
52340010020044310
6102410522044244
76041335634140
oct1163500114204
9261381434381
1084238440580
11327a8449238
12143ab349684
137c3627c618
144111a3a220
1522d0642e3a
hex139d009884

84238440580 has 48 divisors (see below), whose sum is σ = 202378256640. Its totient is φ = 28852322688.

The previous prime is 84238440557. The next prime is 84238440617. The reversal of 84238440580 is 8504483248.

It is a super-2 number, since 2×842384405802 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 84238440580.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168435 + ... + 443674.

It is an arithmetic number, because the mean of its divisors is an integer number (4216213680).

Almost surely, 284238440580 is an apocalyptic number.

It is an amenable number.

84238440580 is an abundant number, since it is smaller than the sum of its proper divisors (118139816060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84238440580 is a wasteful number, since it uses less digits than its factorization.

84238440580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613108 (or 613106 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 46.

The spelling of 84238440580 in words is "eighty-four billion, two hundred thirty-eight million, four hundred forty thousand, five hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 983 1966 3932 4915 6881 9830 13762 19660 27524 34405 68810 137620 612109 1224218 2448436 3060545 4284763 6121090 8569526 12242180 17139052 21423815 42847630 85695260 601703147 1203406294 2406812588 3008515735 4211922029 6017031470 8423844058 12034062940 16847688116 21059610145 42119220290 84238440580